Bug 215256

Summary: backdrop-filter restricts child elements with position: fixed;
Product: WebKit Reporter: Vladimir Porotnikov <zerdox.cool4>
Component: CompositingAssignee: Nobody <webkit-unassigned>
Status: RESOLVED INVALID    
Severity: Normal CC: cn.xiaoshan, dino, mattwoodrow, simon.fraser, webkit-bug-importer, zerdox.cool4
Priority: P2 Keywords: InRadar
Version: WebKit Local Build   
Hardware: All   
OS: All   
Attachments:
Description Flags
check input to remove backdrop-filter. see source code none

Vladimir Porotnikov
Reported 2020-08-06 23:00:33 PDT
Created attachment 406154 [details] check input to remove backdrop-filter. see source code Elements with position:fixed; can't get out of the parent element that has backdrop-filter; Reproduced bug attached
Attachments
check input to remove backdrop-filter. see source code (723 bytes, text/html)
2020-08-06 23:00 PDT, Vladimir Porotnikov 		no flags
Details
View All Add attachment proposed patch, testcase, etc.
Radar WebKit Bug Importer
Comment 1 2020-08-08 17:49:17 PDT
<rdar://problem/66736710>
Matt Woodrow
Comment 2 2023-09-17 20:45:07 PDT
This is the expected behaviour, backdrop-filter creates a containing block for position:fixed descendants.
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